Patents
Patents for H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission (188,568)
08/2001
08/30/2001US20010018650 Method and apparatus for performing speech frame encoding mode selection in a variable rate encoding system
08/30/2001US20010018356 Power-saving mode for portable communication devices
08/30/2001US20010018353 Portable telephone with bookmark sort function
08/30/2001US20010018352 Circuit and method for recording and playing back voice and other sounds in digital mobile radio devices
08/30/2001US20010018343 Paging service using broadcasting
08/30/2001US20010018338 Radio communication apparatus and radio communication method
08/30/2001US20010018331 Transmission system
08/30/2001US20010017905 Data receiving system robust against jitter of clock
08/30/2001US20010017903 Combined interference cancellation and maximum likelihood decoding of space-time block codes
08/30/2001US20010017884 Communication aparatus
08/30/2001US20010017883 Rake receiver
08/30/2001US20010017881 Preamble detector for a CDMA receiver
08/30/2001US20010017855 Portable telephone with URL accessing function
08/30/2001US20010017854 Synchronization establishing and tracking circuit for CDMA base station
08/30/2001US20010017672 Tuning a signal receiver
08/30/2001US20010017615 Intelligent touch-type universal remote control
08/30/2001US20010017602 Digital exciter/phasor/transmitter for directional antenna system
08/30/2001US20010017601 Waterproofing and gas-permeable case construction of satellite- broadcast receiving converter
08/30/2001US20010017576 Isolator device with built-in power amplifier
08/30/2001US20010017574 Temperature compensated oscillator, method of controlling temperature compensated oscillator, and wireless communication device
08/30/2001US20010017568 Signal processing semiconductor integrated circuit device
08/30/2001US20010017532 Battery changing method during call processing in wireless telephone set
08/30/2001DE10009683A1 Interrupting communications unit quiescent state, especially in radio communications system, involves reducing time remaining to next activation to time sufficient for activation
08/30/2001DE10009150A1 Datenübertragungsverfahren und -system Data transmission method and system
08/30/2001DE10008917A1 Anordnung zur Überwachung und Lokalisierung von Patienten Arrangement for monitoring and localization of patients
08/30/2001DE10008316A1 Limiter circuit has inverting input of feedback operational amplifier connected to parallel capacitor and resistor circuit; amplitude-limited output voltage appears at amplifier inverting input
08/30/2001DE10005605A1 Analogue frontend stage for telecommunications receiver
08/30/2001DE10005526A1 Device for monitoring the physiological functioning of a patient or animal in which physiological sensors are linked to a processor that transmits medical data via a mobile phone, enabling a patient to be more mobile
08/30/2001DE10004874A1 Einrichtung zur Durchführung von Suchprozeduren in einem Mobilfunkempfänger Means for carrying out search procedures in a mobile radio receiver
08/30/2001CA2400883A1 Method for optimizing the random access procedures in the cdma cellular networks
08/30/2001CA2400492A1 Interference canceller
08/29/2001EP1128716A2 Method and apparatus for suppressing interference using active shielding techniques
08/29/2001EP1128690A1 Method for using a built-in radio device in a car and a portable radio telephone
08/29/2001EP1128643A2 Control of a communication terminal
08/29/2001EP1128642A2 Mobile telephone with back light function
08/29/2001EP1128641A2 Locking method in a mobile terminal
08/29/2001EP1128626A1 Transmitter device having a modulation closed loop
08/29/2001EP1128569A1 Mobile station receiving method and mobile station receiver
08/29/2001EP1128568A2 Spectrum spread communication synchronization apparatus using frequency offset
08/29/2001EP1128567A2 Pilot signal reception method and receiver
08/29/2001EP1128566A2 Biased-corrected rake receiver for direct sequence spread spectrum waveform
08/29/2001EP1128564A1 Multi-user detection CDMA receivers in mobile telecommunications systems
08/29/2001EP1128563A1 Receiver structure for a wireless communication device
08/29/2001EP1128562A2 Controlling apparatus and controlling method
08/29/2001EP1128561A2 Method for controlling and synchronizing power supply in a system og electronic devices
08/29/2001EP1128552A1 Circuit device for filtering a high frequency signal
08/29/2001EP1128550A2 Noise reducer and noise reduction method with expanded gate pulses
08/29/2001EP1128533A2 Power supply circuit in which ripple reducing ability is maintained even when power supply voltage drops
08/29/2001EP1128463A2 Reception circuit and adaptive array antenna system
08/29/2001EP1128462A2 Waterproofing and gas-permeable case construction of satellite-broadcast receiving converter
08/29/2001EP1128458A1 Orthomode transducer
08/29/2001EP1128326A2 Circuit module
08/29/2001EP1128190A2 Wireless location handset apparatus
08/29/2001EP1127746A2 Communication system in a vehicle
08/29/2001EP1127535A2 System for patient surveillance and location
08/29/2001EP1127469A1 Rfid tag having parallel resonant circuit for magnetically decoupling tag from its environment
08/29/2001EP1127456A1 Ntsc interference rejection filter
08/29/2001EP1127440A1 Phase interpolation receiver for angle modulated rf signals
08/29/2001EP1127436A2 Mobile wireless internet portable radio
08/29/2001EP1127424A2 Dual mode qam/vsb receiver
08/29/2001EP1127418A1 Data terminal and coding method for increased data packet reliability in a frequency hopping system
08/29/2001EP1127417A1 Method of processing cdma signal components
08/29/2001EP1127415A1 Battery economising in a communications system
08/29/2001EP1127405A1 Frequency-stabilized receiver/transmitter circuit arrangement
08/29/2001EP0956651A4 A wrist-mounted telephone device
08/29/2001EP0954909B1 Method for coding an audio signal
08/29/2001EP0852097B1 Electronic program guide schedule localization system and method
08/29/2001EP0707763B1 Reduction of background noise for speech enhancement
08/29/2001CN2445548Y Anti-electromagnetic-wave front cover plate of mobile phone
08/29/2001CN2445547Y Mobile phone cover with anti-electromagnetic-wave
08/29/2001CN2445534Y Handfree talking device for mobile phone
08/29/2001CN1310917A A method and device for on-screen displaying program information and means comprising code for performing such method
08/29/2001CN1310904A Cellular telephony searcher
08/29/2001CN1310895A Transmitting and receiving device and method for continuous outer-loop power control while in DTX mode in a CDMA mobile communication system
08/29/2001CN1310894A Stacked-carrier discrete multiple tone communication technology
08/29/2001CN1310890A Acquisition method and device for carrying out said method
08/29/2001CN1310889A Combining sub-chip resolution samples in fingers of a spread-spectrum rake receiver
08/29/2001CN1310888A Method and apparatus for providing differential multistage detection in the reverse link of a code division multiple access communication system
08/29/2001CN1310887A DS-CDMA receiver
08/29/2001CN1310886A Improved power amplifier matching in a dual band mobile phone
08/29/2001CN1310885A Radio communications unit
08/29/2001CN1310840A Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
08/29/2001CN1310833A RFID radio frequency identification system for detecting low power resonant tags
08/29/2001CN1310571A Mobile telephone with bias light function
08/29/2001CN1310569A Communication apparatus with double-side liquid crystal display device
08/29/2001CN1310568A Method for searching menu in mobile communication terminal
08/29/2001CN1310567A Locking method in mobile communication
08/29/2001CN1310566A Battery assembly and wireless telephone apparatus
08/29/2001CN1310564A Portable terminal, equipment and wireless communication terminal equipment
08/29/2001CN1310563A Portable radio communication equipment with calling indicator and back function without interfering environment
08/29/2001CN1310556A Radio positioning mobile telephone apparatus
08/29/2001CN1310545A Control method of communication terminal, communication terminal equipment and communication control system
08/29/2001CN1310541A Electronic apparatus and special information management method
08/29/2001CN1310524A Precode detector for CDMA receiver
08/29/2001CN1310523A Diversity receiver
08/29/2001CN1310522A Power circuit
08/29/2001CN1070326C Method for providing facilities protection, cross connector system and communication system
08/29/2001CN1070325C Method and apparatus for estimating channel quality in receiver
08/29/2001CN1070322C Method and arrangement for transmitting speech signals
08/29/2001CA2337682A1 Communication terminal apparatus and cell search method